硫酸锌七水合物 ≥99.5%, AnalaR NORMAPUR® analytical reagent
供应商: VWR Chemicals
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Danger
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VWRC29253.236EA
350
CNY
VWRC29253.236
VWRC29253.293
VWRC29253.260
VWRC29253.460
硫酸锌七水合物 ≥99.5%, AnalaR NORMAPUR® analytical reagent
硫酸锌七水合物
分子式:
ZnSO₄·7H₂O 分子量: 287.54 g/mol 溶点: 100 密度: 1.97 g/cm³ (20 °C) 存储条件: Ambient |
MDL编号:
MFCD00149894 CAS号: 7446-20-0 EINECS: 231-793-3 UN号: 3077 ADR: 9 III Merck Index: 12,10293 |
产品技术规格
Assay | ≥ 99.5 % |
Solution in water | Passes test |
pH (25°C; 5 %) | 4.4 - 6.0 |
Insolubility in water | ≤ 100 ppm |
Cl (Chloride) | ≤ 5 ppm |
Total N (Nitrogen) | ≤ 5 ppm |
As (Arsenic) | ≤ 0.5 ppm |
Ca (Calcium) | ≤ 10 ppm |
Cd (Cadmium) | ≤ 5 ppm |
Cu (Copper) | ≤ 5 ppm |
Fe (Iron) | ≤ 5 ppm |
K (Potassium) | ≤ 10 ppm |
Li (Lithium) | ≤ 10 ppm |
Mn (Manganese) | ≤ 3 ppm |
Na (Sodium) | ≤ 10 ppm |
Pb (Lead) | ≤ 20 ppm |
Sr (Strontium) | Max. 5 ppm |
Conforms to BDH 10299 | Passes test |
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